LOL. Crossed wires!

 

Right the z4 is perfectly fine for a 93wrx (i should know as i'm running one).

the z4 though does suffer the mapping problem of the early ecus (as in it can't be mapped) but see link by dan can offer a remappable daughterboard that can be soldered into your spare slot on the ecu.

 

have clarified the probs a bit better and when i changed the ecu. So can the Z4 be mapped then?

 

ah ok cool, shoulda waited another couple of seconds shouldnt i!!!

 

Only if a chip is added as said above.

 

the early ecu's can now be mapped without a daughter board. the only one taht can't and needs a board is the 96 ecu's

 

yeah cool, posted at more or less the same time!

 

when you say 96 ecu, dont different cars from the same year have different ecus?

 

who does that? ( a genuine question )

 

just about everyone now, its a similar system to euctek as i understand

 

U8,W6 are from 92-94 wrx
2C is a cross over ecu then went into the z4 ecu which finished in 96 iirc

 

You mean the pre 96 ECU's with 4 plugs at the back?

 

not sure, all i've been told is that the 96 ecu (which i think is the Z$) is the only none mappable one now

 

You are correct. All early ECU's are mappable but they first need an extra chip fitting.

 

DOn't think that is true anymore, thast what im saying, you no longer need to piggy back them you can just map them

 

I would not recommend an “ebay map” that has been produced without any testing but a generic map that has been created with knowledge and testing that has been proved to work well is worth consideration if it is an option for your car. I have seen the results of Scots Polar ones and they work well.

A balance must be made between the cost of a good generic map that will deliver extra power gain compared to a custom map that will deliver more power and be matched exactly to your car.

If you do get a generic map it could be worth getting the car checked when fitting any add on to check that the fueling is neither too lean nor too strong and that all is working well.

 

With the risk of making myself look a complete Tool I'll shut up until someone comes in to comfirm either way.

 

lol, know the feeling lol, but as far as im aware what i have said is accurate

 

the problem is theres no gaurenty that the map will work with your car, or even be safe.

there are NO well respected tuners, such as Zen, power station, scoobyclinic, api etc etc that use generic maps, and that kinda speaks for itself

 

Aside from Subaru UK's PPP kit which includes a generic map for 2001>

 

but the ppp map isn't far off standard and the extra performance is more due to the cat replacment as i understand it

 

Pretty sure its 97-98 ecu's that cant be remapped yet. At least they couldn't a few weeks ago when I wanted mine doing? Someone on here said ECUTEK was being developed for them though.

 

So it is generic map that is used. By the way the removal of the midcat on a new age will gain you 5-10 bhp and the back box another 5 ish (if you read Max Power).

 

not far off, then map it and see about 60bhp for decat and pannel filter, turbo'd cars respond well due to the restrictions the cats put in the system